- Measuring Instruments

The intrument is a bridge-type stereoscope. It is widely used in aerial photogrammetric survey and photo-interpretation.

SOUTHGEOSYSTEMS

Stereoscope

Magnification of model scale of the ground observed with this instrument relative to picture scale approx. 3x. The image is sharp,it is convenient for use and suitable for photo-interpretation. The instrument has a stereometer,then it may be used for measuring the horizotal parrallax comparison of the point on the ground to determine height difference and height